MVG OTA antenna testing system helps Shenzhen Gongjin Electronics Co., Ltd. to participate in electronic innovation development

author： admin time：2020-12-21 09:29

With the iterative evolution of wireless communication technology, the mobile terminal's over the air (OTA) test standards are gaining more and more attention, especially in the post-4G era and the 5G era. OTA test can accurately predict the actual performance of mobile terminals, from LTE applications, the need to complete the MIMO OTA test, from the 5G development point of view, OTA test will become an indispensable test method, the technical complexity will be enhanced .
Recently, 52RD reporter interviewed Li Zhenjun, director of laboratory of Shenzhen Gongjin Electronics Co., Ltd., and talked about how MVG can help them make great progress in OTA testing and company development.
Shenzhen Gongjin Electronics Co., Ltd. was founded in 1998, has become one of the largest and the world's leading manufacturers of broadband communication terminal products after 19 years of development. It mainly serves the fields of communications, home, finance and education. Its products cover various types Broadband communications terminal equipment, smart home, wearable products, Internet medical and so on, and Taiwan's ZYXEL, D-LINK, the United States NETGEAR, France SAGEM, NOKIA Finland and other world-renowned operators and system equipment providers have close cooperation . Gongjin Electronics has 350,000 square meters of production base and a number of R & D, sales center, product innovation is to enter the core competitiveness of electronics, and OTA test is the key to product quality control: OTA test not only wireless products antenna Passive test to verify the antenna directivity and efficiency is good or bad, while the machine can be active TRP and TIS test to verify the product in all directions of the three-dimensional space launch power and receiver sensitivity to simulate the actual use of the whole Radiation machine performance, while using the signaling test method is conducive to verify the wireless connection is normal.
In 2014,with the customer's demand is constantly changing, the SISO OTA measurement system built by the domestic system manufacturers can no longer meet the requirements. Therefore, when evaluating the foreign OTA system, Ejin Electronics recognized the third-party testing organizations and some manufacturers specializing in the production of antennas MVG. . Director Lee said, "During the three-month period, we comprehensively understood and assessed MVG's historical development, R & D team strength, test system stability and repeatability, product cost performance and future upgrade possibilities, and After-sales service and other aspects, the final choice of MVG's OTA antenna test system SG24-L.SG24-L test system can measure 2G, 3G and 4G Wi-Fi BT and other active tests, the dark room reserved for the possibility of upgrading the future Upgradable MIMO performance interface, can measure nearly 2 meters of large test objects.
MVG pay close attention to customers, sincere attitude to customer service to Impression Li Director, he said: "In the early cooperation, MVG CTIA standards to share the requirements and data comparison with the industry, sample test data for our reference and assessment, This made me think they are very responsible for the customer, and this is exactly what we need .MVG experts also made a special trip to our company from abroad to audit and exchange more far-reaching cooperation and testing technical requirements. Since the cooperation with MVG, our Laboratory testing capabilities and management system are enhanced, the output value from 5 billion in output value in 2014 increased to 6.5 billion in 2016, the domestic and international market share of 50% for our in-depth development of China and the world provided Important support.
Director Li told reporters: "Previously, we had a project, because there was no internal OTA test chamber, so we could not guarantee the product quality requirements of the customers, so we could only use the external test in the early stage. Time and more, supporting the equipment does not necessarily meet the requirements of the test accuracy.And we use MVG's SG24-L, not only to ensure the customer's strict quality requirements, but also to ensure the accuracy of the test, the most gratifying is that, After using the SG24-L MVG, R & D engineers in the independent research and development of the antenna, greatly improving the antenna quality and time efficiency, thereby gaining experience, compared with the past, reducing the cost of multiple development and molding engineers; Outsourcing shortens 2/3 of the time and reduces the cost of external testing by about 2 million each year, so our new products can quickly capture market share, ensure superior product quality, and win customer trust and more collaborative orders. "
MVG's SG24-L test system fully meets the requirements of CTIA International Certification. After using the test system, the test system has been improved by 30% -40% and has gradually achieved the world-class OTA test capability. One of the most noteworthy is SG24-L system ultra-fast test speed, enabling users to achieve a device equivalent to multiple sets of similar equipment performance; high measurement accuracy to provide impeccable verification of product launch power and receiver sensitivity test. The wireless products for the poor direction of the problem, through the active and passive testing can be very vividly reflected, which will help to solve the problem positioning. In addition to excellent system hardware, MVG's SG24-L is equipped with Insight, a powerful postprocessing software for post-processing analysis by capturing phase magnitudes. The software not only has the OTA test function and detailed antenna pattern analysis, but also has the function of calculating MIMO antenna correlation, and can deeply analyze electromagnetic, surface current calculation, aperture surface electromagnetic field and the like. The software features many, easy to understand and easy to operate, docking with well-known brand of equipment compatibility, the system easy to maintain and upgrade, therefore, for the development of electronic research and development has provided a winning magic. Last MVG SG24-L system stability and consistency, low failure rate, performance and effectiveness have reached the highest level in the industry.
Currently in the same industry foundry private enterprises, in addition to Foxconn, the total electronics is the only one in the home network terminal, building OTA darkroom testing system of enterprises. Now the mainstream foreign OTA darkroom two major manufacturers are MVG and another international company, director Li believes that the two companies in the market positioning is still very different, such as institutions, private enterprises, military enterprises and universities, they have different However, MVG is one of the earliest internationally renowned companies that develop antenna test systems and standard antennas. It is also one of the compilers of CTIA's international communications standards. Its user acceptance is high. E-research and development of active and passive antenna products, Wi-Fi router 11a / b / g / n TRP, TIS test products are tested using MVG products, not only improve product quality, customers have also been Unanimously approved.
Director Li added: "With the evolution of product technologies and the rapid development of technologies from 2G to 3G, LTE, 11n and 11ac, operators are paying close attention to the development of the hot 5G now and believe that MVG will continue its efforts , Can help more enterprises solve the product testing programs brought by the development of these new technologies and create better benefits and investment costs for many industries and enterprises so as to achieve a mutually beneficial and win-win model. With the improvement of our R & D facilities, we will also Continue to enhance its testing capabilities, MVG has always been the first choice of our OTA testing needs, both now and in the future. "